1. Hollow magnetic suction design does not block the logo, designed for iPhone 13, 12 and MagSafe cases 2. Strong magnetic suction ring is stable and not loose, strong adsorption force does not fall off 3. Directly removing the support does not affect wireless charging, automatic adsorption mode, take and put More convenient use 4. Free primer is applicable to all models, primer is used for mobile phones without MagSafe function, smooth phone case 5. Hollow smooth not because of heat dissipation, alloy material | Able to bear or bear looks more durable.......